com.spotify.helios.agent.DefaultStatusUpdater Maven / Gradle / Ivy

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/*
 * Copyright (c) 2014 Spotify AB.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.spotify.helios.agent;

import com.spotify.helios.common.descriptors.Goal;
import com.spotify.helios.common.descriptors.TaskStatus;
import com.spotify.helios.common.descriptors.ThrottleState;

/**
 * Plain boring status updater for tasks to report their status to the {@link AgentModel}.
 */
public class DefaultStatusUpdater implements StatusUpdater {

  private final TaskStatus.Builder builder;

  private Goal goal;
  private String containerId;
  private ThrottleState throttleState = ThrottleState.NO;
  private AgentModel model;
  private TaskStatus.State state;

  public DefaultStatusUpdater(final AgentModel model,
                              final TaskStatus.Builder builder) {
    this.model = model;
    this.builder = builder;
  }

  @Override
  public void setThrottleState(final ThrottleState throttleState) {
    this.throttleState = throttleState;
  }

  @Override
  public void setContainerId(final String containerId) {
    this.containerId = containerId;
  }

  @Override
  public void setGoal(final Goal goal) {
    this.goal = goal;
  }

  @Override
  public void update() throws InterruptedException {
    final TaskStatus status = builder
        .setGoal(goal)
        .setState(state)
        .setContainerId(containerId)
        .setThrottled(throttleState)
        .build();
    model.setTaskStatus(status.getJob().getId(), status);
  }

  @Override
  public void setState(final TaskStatus.State state) {
    this.state = state;
  }
}